| 摘要 |
According to the invention, a wheel identifying apparatus includes a plurality of transmitters and a receiver. Each of the transmitters is mounted on one of wheels of a vehicle with a given distance from a rotation axis of the wheel. Each of the transmitters is configured to transmit a signal when an angular position thereof coincides with a predetermined angular position. The receiver includes a receiving antenna located at such a predetermined position on a body of the vehicle that all distances from the receiving antenna to the rotation axes of the wheels of the vehicle are different from each other. The receiver works to receive all the signals transmitted from the transmitters, detect the received signal levels of the signals, and identify, for each of the signals, the wheel on which the transmitter having transmitted the signal is located, based on the detected received signal level of the signal.
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